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Letters Patent No. 'f7-,218, dated April 28, 186:8, Vomtedated April 15, 1868.

IMPROVED BLiND-SLAT Vrasrsnnte.

TO ALL WHOM IT MAY CONGERN:

Be itknown that I, 'IHEODRE F, ROCKWELL, of Yorkville, in the county, and State of N ew York, have invented a new and improved Fastening for Blind-Slate and I do hereby declare that the following is a full and exact description thereof, -whieh will enable others skilled -in the art to 'make and use the same, .reference being had to theaccompanying drawings, and to the letters of reference marked thereon.

This invention relates to a new and' improved device for securing the slats of blinds in a fully open and closed state, and at any point between these twopositions. The slats of blinds soon shrink after beingfmadc and exposed tothe air and sun, and become so loose that they cannot be retained at any desired pointwithout some kind of fastening.

Various devices for this purpose have been patented, but 4so far as I am aware there ,are nonein very general use, ,some being too expensive, and others liable to get out of repair, and not'capable of beinginanipulated.v

with facility.

'lhe object of the present invention is to obtain, for the purpose specified, avsimple, economical, and easilyadjustable device, as hereinafter-fully shown -and -described.-

In the accompanying sheet Aof drawings- Figure 1 is an inner side view of a window-blind provided with my invention.

Figure 2', an edge view of the'sarne.

Figure 3, a lower end view of thc saine.

Figure 4, anenlarged detached view of a bent wire or rod4 pertaining to the same.

Similar letters of reference indicate like parts. v-

. A represents the slats ofan ordinary window-blind, and B the rod to which the slats are connected. These parts being of usual construction do not require a special description. l l

To the Alower en d of the slat-rod B there is secured, by a`pivot,a, a pendent plate, C, which is perforated with a series of holes, b, one above the other, and which also has a slot, a, in it, extending nearly its whole length, as shown clearly'in g. i

This plate C passes loosely through a socket or guide, Dsecur'ed to the bottom rail d of the blind. This socket or guide may be constructed of a piece oi' sheet metal, bent in the Aform as shown clearly in iig. 3, and

vto the socket or guide D there is secured' a lateral guide, E, in which a bentwiro, F, is vfitted, and allowed to slide freely. The wire, F, is bent or doubled, so as to form an eye oriloopre, at one end, and have twok parallel I parts,fg, the former,f, being perfectly straight throughout its entire'length, and theother, g, having a hook,

g', at its end, as shown in iig. 4.

vThe part g passes through the, slot c of C, and through holes in the socketor guide D, the lhook g of g preventing the wire fromdrawing out from the'plate C, and the socket or guide D. The other part,f, of the. wire,'F, passes through holes in thesocket or guide, and through any one of the holes'b in plate' C.

, From the above description it will he'seen' that by pulling or drawingthe wire, F, -in the direction indicated by arrow 1, iig. 3, the partf of the wire will be drawn out of the holcb in the plate C, and `the slut-rod B raised or lowered, andthe slats A turned or adjusted as desired, the rod B, and consequently the-slats, being retained or held by passing the partjl ofthe wire, F, through the hole b inA C, which is opposite' or in line withf. By -this simple device the slats may be held'or retained in Van open or closed state, or at any point between these two positions, and by a verysimple adjustment.

Having thus described my invention, I claim as new, and'desire to secure'by Letters Patent-. The pendent plate C, attached'to the slut-rod B, and perforated with holes b, and an oblong slotic, in combination with the bent wire orrod F, and the socket or'guide D, all constructed, arranged, and applied to the window-blind, to operate substantially in the manner as a'nd for the purpose setforth- The above specification of my invention signed byV me, this 25tb day ofJuly, 1867.

Tnnononn s, ROCKWELL. Witnesses:

Wn. F. McNamara, J A. SERVICE. 

